Sources that emit light experience flicker, which is a frequency domain effect that can cause discomfort or health issues for both animals and humans. In some cases, the lifespan of a device can be ...

Biomedical engineer Annabelle Singer has spent the past decade developing a noninvasive therapy for Alzheimer's disease that uses flickering lights and rhythmic tones to modulate brain waves. Now she ...

Light flicker inside a building is usually associated with loose wiring, faulty switches, or poor electrical connections. But there are many situations in which lights flicker even when the ...